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Merge branch 'drm/du/fixes' of git://linuxtv.org/pinchartl/media into drm-fixes

Single regression fix for rcar-du lvds

* 'drm/du/fixes' of git://linuxtv.org/pinchartl/media:
  drm: rcar-du: lvds: Fix crash in .atomic_check when disabling connector
Dave Airlie 7 years ago
parent
commit
35904d6e96
1 changed files with 3 additions and 0 deletions
  1. 3 0
      drivers/gpu/drm/rcar-du/rcar_lvds.c

+ 3 - 0
drivers/gpu/drm/rcar-du/rcar_lvds.c

@@ -88,6 +88,9 @@ static int rcar_lvds_connector_atomic_check(struct drm_connector *connector,
 	const struct drm_display_mode *panel_mode;
 	const struct drm_display_mode *panel_mode;
 	struct drm_crtc_state *crtc_state;
 	struct drm_crtc_state *crtc_state;
 
 
+	if (!state->crtc)
+		return 0;
+
 	if (list_empty(&connector->modes)) {
 	if (list_empty(&connector->modes)) {
 		dev_dbg(lvds->dev, "connector: empty modes list\n");
 		dev_dbg(lvds->dev, "connector: empty modes list\n");
 		return -EINVAL;
 		return -EINVAL;